LibJS: Add Object.prototype.toLocaleString()

2 files changed, 10 insertions, 0 deletions

diff --git a/Libraries/LibJS/Runtime/ObjectPrototype.cpp b/Libraries/LibJS/Runtime/ObjectPrototype.cpp
index 2b3624dc56..6a4b4a7efb 100644
--- a/Libraries/LibJS/Runtime/ObjectPrototype.cpp
+++ b/Libraries/LibJS/Runtime/ObjectPrototype.cpp
@@ -45,6 +45,7 @@ void ObjectPrototype::initialize()
     u8 attr = Attribute::Writable | Attribute::Configurable;
     define_native_function("hasOwnProperty", has_own_property, 1, attr);
     define_native_function("toString", to_string, 0, attr);
+    define_native_function("toLocaleString", to_locale_string, 0, attr);
     define_native_function("valueOf", value_of, 0, attr);
 }
 
@@ -71,6 +72,14 @@ Value ObjectPrototype::to_string(Interpreter& interpreter)
     return js_string(interpreter, String::format("[object %s]", this_object->class_name()));
 }
 
+Value ObjectPrototype::to_locale_string(Interpreter& interpreter)
+{
+    auto* this_object = interpreter.this_value().to_object(interpreter);
+    if (!this_object)
+        return {};
+    return this_object->invoke("toString");
+}
+
 Value ObjectPrototype::value_of(Interpreter& interpreter)
 {
     auto* this_object = interpreter.this_value().to_object(interpreter);
diff --git a/Libraries/LibJS/Runtime/ObjectPrototype.h b/Libraries/LibJS/Runtime/ObjectPrototype.h
index 8e18b5bd3b..708ddc7245 100644
--- a/Libraries/LibJS/Runtime/ObjectPrototype.h
+++ b/Libraries/LibJS/Runtime/ObjectPrototype.h
@@ -44,6 +44,7 @@ private:
     virtual const char* class_name() const override { return "ObjectPrototype"; }
 
     static Value has_own_property(Interpreter&);
+    static Value to_locale_string(Interpreter&);
     static Value value_of(Interpreter&);
 };